ASE A5 · Brakes
ABS/TCS/ESC
Diagnosing electronic brake controls (ABS, traction control and stability control): warning lights, scan tool and meter tests, sensors, bleeding, module setup and related systems.
- Questions on the A5 test
- 10
- Share of the test
- 22%
- GearheadPass questions
- 26
- With exhibits
- 7
What this area covers
ASE's task list for ABS/TCS/ESC on the A5 Brakes test groups into these tasks. Expect diagnosis-first questions: what's the most likely cause, what should be checked next, and which technician is right.
- Service and safety precautions
- Lockup, false activation and pedal feel
- Warning lights and DTC diagnosis
- Wheel speed, yaw and angle sensors
- Hydraulic bleeding and module setup
- Vehicle modifications and related systems
How to study it
- This area carries 10 of the A5 test's questions (22%). Give it study time in proportion.
- Work the free questions first, then read every explanation, including the ones you got right; the reasoning is what transfers to new questions.
- 2 of the 5 free questions here are Technician A/B items. Judge each statement on its own before you pick A only, B only, Both or Neither.
- Always confirm specifications in the vehicle manufacturer's service information. Test questions assume you would.
Free practice quiz
5 ABS/TCS/ESC questions with explanations
All 26 ABS/TCS/ESC questions are in the app
Plus a full-length A5 mock, flash cards, and English or Spanish on every question.
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